Pet feeder



FIG. 1 is a perspective view of a pet feeder;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a rear elevational view therof.

The unshown portion of the pet feeder forms no part of the claimed design. 

The ornamental design for a pet feeder, as shown and described. 